InterSystems Corporation has acquired Australia-based TrakHealth. An application partner of InterSystems since 1991, TrakHealth develops and markets TrakCare, a web-based health information system deployed in 25 countries. TrakHealth will operate as an independent subsidiary of InterSystems, with its own sales force. InterSystems is a provider of database and integration software. Its product line includes the InterSystems CACHÉ object database, InterSystems Ensemble integration platform, and InterSystems HealthShare platform for regional and national electronic health records.